A 1-D analytical code for the design and multi-objective optimisation of high-pressure compressors within two-stage turbochargers for marine applications

Okhuahesogie, Famous and Stewart, Jill and Riley, Mike and Heyes, Frank and Roach, Paul (2014) A 1-D analytical code for the design and multi-objective optimisation of high-pressure compressors within two-stage turbochargers for marine applications. In: 11th International Conference on Turbochargers and Turbocharging, 13-14 May 2014, London.

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Item Type:Conference or Workshop contribution (Paper)
Item Status:Live Archive

Abstract

This paper describes a novel method of designing the HP compressor of a two-stage turbocharger using a 1-D code coupled with an optimisation algorithm. The 1-D code solves relevant thermodynamic and fluid dynamics equations given geometric variables, the target pressure ratio and the operating speed as inputs . A multi-objective optimiser is used to return potential designs that will maximise compressor efficiency and minimise deviation from the target mass flow. These designs are then taken forward for detailed 3D-CFD analysis. An example based on a HP compressor impeller and vaneless diffuser is presented to demonstrate the potential of this 1-D methodology.

Keywords:Multiobjective Optimisation, Turbochager, 1D, analytical methods
Subjects:H Engineering > H100 General Engineering
H Engineering > H150 Engineering Design
Divisions:College of Science > School of Engineering
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ID Code:13765
Deposited On:09 Apr 2014 08:36

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